You were sitting in your room, doing what you wanted after hours of doing royal things. You were the future ruler of your kingdom, so you need to know many things that future ruler should know.

After few minutes the silence that was keeping you company now was interrupted by the knocks on your door. "May I come in, Your highness~?" said the person that knocking on your door. After a second the door opened and there you saw your loyal knight, Killer.